.foo {
  margin: 1.5rem;
}

// Two trailing spaces after selector
.bar {  
  margin: 1.5rem;
}

// Two trailing spaces after property
.baz {
  margin: 1.5rem;  
}

// Two trailing spaces after rule
.qux {
  margin: 1.5rem;
}  

// Trailing tab after selector
.cat {	
  margin: 1.5rem;
}

// Trailing tab after property
.dog {
  margin: 1.5rem;	
}

